nanocore | b0b218c7d6b55f965c796fcc021b31ba0349672dc1e1d2d80e7d6cf2af96a401

Reason

Machine shutdown

General

Target

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
Size

843KB
MD5

1a1ee2bd1f9f211aa77dc4efa97c19ef
SHA1

25100b7f9a275cab4d8f278c79fa5c2cc9e9bc56
SHA256

b0b218c7d6b55f965c796fcc021b31ba0349672dc1e1d2d80e7d6cf2af96a401
SHA512

0259064240438a9b896b1f03ad45f90995a9b715c633a8ef67b34c486d41c0b6fd4a81862925c359022052a8bc78768b269e469fb117fd29260b9051132c1e98
SSDEEP

12288:sMhirTEoCYsjCSBCy+DkGnDd4LjZOdrDm+tY6V0XStGqFUIdzmvhD4mqBe/ff0l2:Feq2HWTjnTz

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

onielnfo.ddns.net:2008

Mutex

7e0dbab4-fd01-43ad-af2c-281e2199c23c

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-08-18T14:50:05.031210536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
2008
default_group
HUSTLE
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
7e0dbab4-fd01-43ad-af2c-281e2199c23c
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
onielnfo.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\njhjjgh = "C:\\Users\\Admin\\okjoohje.exe"	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

RegAsm.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4228 set thread context of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exeRegAsm.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exeRegAsm.exe

pid	Process
4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
4700	RegAsm.exe
4700	RegAsm.exe
4700	RegAsm.exe
4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exeRegAsm.exe

description	pid	Process
Token: SeDebugPrivilege	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
Token: SeDebugPrivilege	4700	RegAsm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe

description	pid	Process	procid_target
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90
PID 4228 wrote to memory of 4700	4228	1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1a1ee2bd1f9f211aa77dc4efa97c19ef_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks whether UAC is enabled
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4228-0-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/4228-1-0x00000000001A0000-0x0000000000262000-memory.dmp

Filesize
776KB

Download
memory/4228-2-0x00000000052B0000-0x0000000005854000-memory.dmp

Filesize
5.6MB

Download
memory/4228-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/4228-4-0x0000000004CC0000-0x0000000004CCA000-memory.dmp

Filesize
40KB

Download
memory/4228-5-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4228-6-0x0000000004F70000-0x0000000004FBA000-memory.dmp

Filesize
296KB

Download
memory/4228-7-0x0000000004E40000-0x0000000004E54000-memory.dmp

Filesize
80KB

Download
memory/4228-9-0x000000007521E000-0x000000007521F000-memory.dmp

Filesize
4KB

Download
memory/4228-10-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4228-11-0x0000000005900000-0x000000000599C000-memory.dmp

Filesize
624KB

Download
memory/4700-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4700-13-0x0000000075210000-0x00000000759C0000-memory.dmp

Filesize
7.7MB

Download
memory/4700-15-0x0000000005130000-0x000000000513A000-memory.dmp

Filesize
40KB

Download
memory/4700-16-0x0000000005180000-0x000000000519E000-memory.dmp

Filesize
120KB

Download
memory/4700-17-0x0000000005530000-0x000000000553A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

Errors

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads